The developer team worked on creating "universal blocks" to store the network on hardware devices. The NANO (XRB) digital asset may soon be compatible with hardware storage devices, after the developer team creates an upgrade to "universal blocks". Doing final tests on universal blocks and putting together a writeup! — Colin LeMahieu (@ColinLeMahieu) March 14, 2018 Because NANO works differently, in that each user has their own blockchain, the data may keep growing beyond the storage of small devices. Therefore, universal blocks help keep the XRB balance valid, while pruning the history from unnecessary data. This would allow NANO coins...